120. The minimum phase transfer function is oile having

A. poles and zeros in RHS

B. poles and zeros in LHS

C. poles in LHS and zeros in RHS

D. poles in RI1S and zeros in RHS

121. A transfer function with one or more zeros in the RHS plane is called

A. minimum phase transfer function

B. all pass transfer function

C. non-minimum phase transfer function

D. none of these

122. An octave frequency range given by co2ko1 is equal to 360?

A.2

B.4

C.6

D.10

123. A decade frequency range given by co21o)1 equal to is

A.2

B.4

C.6

D.10

124. For type three system, the lowest frequency asymptote will have the slope of

A. ?20 dB/octave

B. ?6 dB/ocatave

C. ?12 dB/octave

D. ?18 dB/octave

125. The response of a control system increases in magnitude with time

A. if all the roots are in the RHS of s-plane

B. if there are more roots on the RHS than on LHS

C. if one or more roots are found in RHS of s-plane

D. none of these

126. Which of the following gives information regarding difference in the number of poles and zeros of a closed loop transfer function?

A. Root locus method

B. Bode diagram

C. Nyquist diagram

D. Routh Hurwitz criterion

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